search for: _tzset

I am analysing some data collected over a number of months from Allentown, PA, which is just north of Philadelphia. I am using as.POSIXct for dates and times, and I need to get the timezone specification correct. Going on the documentation for DateTimeClasses, I believe one way to specify the correct time zone is tz="EST5EDT" I would be grateful for any advice on this. I ask

Neither of these have reached me on R-devel (and only PR#8103 is on the archive), and they seem to be the same error although neither mentions the other. That's 'odd', to quote one of them. "EDT" is not a valid POSIX timezone (but, say, EST5EDT is). R's docs are quite clear that what happens with invalid inputs is system-specific. (Windows seems often to run home

Hi, I''ve been trying to do timezone conversion, and have some trouble getting it to work on my Windows machine. Searching the web, I found http://wiki.rubyonrails.com/rails/pages/HowtoSetDefaultTimeZone ...which explains how to set the default timezone. I''m using an environment.rb that include the lines: ActiveRecord::Base.default_timezone = :utc ENV[''TZ''] =

...ction. winedump: Fix argument format for DllMain trace. msxml3: More tests for DISPID_VALUE properties handling. shlwapi: Implement IsCharSpaceA(). Piotr Caban (40): kernel32: Fixed TIME_CompTimeZoneID behavior on dates close to New Year's Eve. msvcrt: Reimplement _tzset function. msvcrt: Added _tzset tests. msvcrt: Fixed mktime and _mktime64 implementation. msvcrt: Fixed mkgmtime and _mkgmtime64 implementation. msvcrt: Improved input parameter range check in _gmtime64_s. msvcrt: Reorganize _localtime64 function. msvcrt: Fixed _l...